one (http://www.ornaghi.it/modelli_en/costume.htm)
two (http://www.rebecca-online.de/cont_en/anleitungen/heft_18_anl_13-14.pdf)
three (http://www.angelfire.com/art/crochetbikinis/patternspdf/kbikini.pdf)
four (http://web.archive.org/web/20001004215108/www.getcrafty.com/read/craft/features/bikini/index.html)